1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
|
/*
* Virtex hard ppc405 core common device listing
*
* Copyright 2005-2007 Secret Lab Technologies Ltd.
* Copyright 2005 Freescale Semiconductor Inc.
* Copyright 2002-2004 MontaVista Software, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/serial_8250.h>
#include <syslib/virtex_devices.h>
#include <platforms/4xx/xparameters/xparameters.h>
#include <asm/io.h>
/*
* UARTLITE: shortcut macro for single instance
*/
#define XPAR_UARTLITE(num) { \
.name = "uartlite", \
.id = num, \
.num_resources = 2, \
.resource = (struct resource[]) { \
{ \
.start = XPAR_UARTLITE_##num##_BASEADDR + 3, \
.end = XPAR_UARTLITE_##num##_HIGHADDR, \
.flags = IORESOURCE_MEM, \
}, \
{ \
.start = XPAR_INTC_0_UARTLITE_##num##_VEC_ID, \
.flags = IORESOURCE_IRQ, \
}, \
}, \
}
/*
* Full UART: shortcut macro for single instance + platform data structure
*/
#define XPAR_UART(num) { \
.mapbase = XPAR_UARTNS550_##num##_BASEADDR + 3, \
.irq = XPAR_INTC_0_UARTNS550_##num##_VEC_ID, \
.iotype = UPIO_MEM, \
.uartclk = XPAR_UARTNS550_##num##_CLOCK_FREQ_HZ, \
.flags = UPF_BOOT_AUTOCONF, \
.regshift = 2, \
}
/*
* SystemACE: shortcut macro for single instance
*/
#define XPAR_SYSACE(num) { \
.name = "xsysace", \
.id = XPAR_SYSACE_##num##_DEVICE_ID, \
.num_resources = 2, \
.resource = (struct resource[]) { \
{ \
.start = XPAR_SYSACE_##num##_BASEADDR, \
.end = XPAR_SYSACE_##num##_HIGHADDR, \
.flags = IORESOURCE_MEM, \
}, \
{ \
.start = XPAR_INTC_0_SYSACE_##num##_VEC_ID, \
.flags = IORESOURCE_IRQ, \
}, \
}, \
}
/*
* ML300/ML403 Video Device: shortcut macro for single instance
*/
#define XPAR_TFT(num) { \
.name = "xilinxfb", \
.id = num, \
.num_resources = 1, \
.resource = (struct resource[]) { \
{ \
.start = XPAR_TFT_##num##_BASEADDR, \
.end = XPAR_TFT_##num##_BASEADDR+7, \
.flags = IORESOURCE_IO, \
}, \
}, \
}
#define XPAR_AC97_CONTROLLER_REFERENCE(num) { \
.name = "ml403_ac97cr", \
.id = num, \
.num_resources = 3, \
.resource = (struct resource[]) { \
{ \
.start = XPAR_OPB_AC97_CONTROLLER_REF_##num##_BASEADDR, \
.end = XPAR_OPB_AC97_CONTROLLER_REF_##num##_HIGHADDR, \
.flags = IORESOURCE_MEM, \
}, \
{ \
.start = XPAR_OPB_INTC_0_OPB_AC97_CONTROLLER_REF_##num##_PLAYBACK_INTERRUPT_INTR, \
.end = XPAR_OPB_INTC_0_OPB_AC97_CONTROLLER_REF_##num##_PLAYBACK_INTERRUPT_INTR, \
.flags = IORESOURCE_IRQ, \
}, \
{ \
.start = XPAR_OPB_INTC_0_OPB_AC97_CONTROLLER_REF_##num##_RECORD_INTERRUPT_INTR, \
.end = XPAR_OPB_INTC_0_OPB_AC97_CONTROLLER_REF_##num##_RECORD_INTERRUPT_INTR, \
.flags = IORESOURCE_IRQ, \
}, \
}, \
}
/* UART 8250 driver platform data table */
struct plat_serial8250_port virtex_serial_platform_data[] = {
#if defined(XPAR_UARTNS550_0_BASEADDR)
XPAR_UART(0),
#endif
#if defined(XPAR_UARTNS550_1_BASEADDR)
XPAR_UART(1),
#endif
#if defined(XPAR_UARTNS550_2_BASEADDR)
XPAR_UART(2),
#endif
#if defined(XPAR_UARTNS550_3_BASEADDR)
XPAR_UART(3),
#endif
#if defined(XPAR_UARTNS550_4_BASEADDR)
XPAR_UART(4),
#endif
#if defined(XPAR_UARTNS550_5_BASEADDR)
XPAR_UART(5),
#endif
#if defined(XPAR_UARTNS550_6_BASEADDR)
XPAR_UART(6),
#endif
#if defined(XPAR_UARTNS550_7_BASEADDR)
XPAR_UART(7),
#endif
{ }, /* terminated by empty record */
};
struct platform_device virtex_platform_devices[] = {
/* UARTLITE instances */
#if defined(XPAR_UARTLITE_0_BASEADDR)
XPAR_UARTLITE(0),
#endif
#if defined(XPAR_UARTLITE_1_BASEADDR)
XPAR_UARTLITE(1),
#endif
#if defined(XPAR_UARTLITE_2_BASEADDR)
XPAR_UARTLITE(2),
#endif
#if defined(XPAR_UARTLITE_3_BASEADDR)
XPAR_UARTLITE(3),
#endif
#if defined(XPAR_UARTLITE_4_BASEADDR)
XPAR_UARTLITE(4),
#endif
#if defined(XPAR_UARTLITE_5_BASEADDR)
XPAR_UARTLITE(5),
#endif
#if defined(XPAR_UARTLITE_6_BASEADDR)
XPAR_UARTLITE(6),
#endif
#if defined(XPAR_UARTLITE_7_BASEADDR)
XPAR_UARTLITE(7),
#endif
/* Full UART instances */
#if defined(XPAR_UARTNS550_0_BASEADDR)
{
.name = "serial8250",
.id = 0,
.dev.platform_data = virtex_serial_platform_data,
},
#endif
/* SystemACE instances */
#if defined(XPAR_SYSACE_0_BASEADDR)
XPAR_SYSACE(0),
#endif
#if defined(XPAR_SYSACE_1_BASEADDR)
XPAR_SYSACE(1),
#endif
#if defined(XPAR_TFT_0_BASEADDR)
XPAR_TFT(0),
#endif
#if defined(XPAR_TFT_1_BASEADDR)
XPAR_TFT(1),
#endif
#if defined(XPAR_TFT_2_BASEADDR)
XPAR_TFT(2),
#endif
#if defined(XPAR_TFT_3_BASEADDR)
XPAR_TFT(3),
#endif
/* AC97 Controller Reference instances */
#if defined(XPAR_OPB_AC97_CONTROLLER_REF_0_BASEADDR)
XPAR_AC97_CONTROLLER_REFERENCE(0),
#endif
#if defined(XPAR_OPB_AC97_CONTROLLER_REF_1_BASEADDR)
XPAR_AC97_CONTROLLER_REFERENCE(1),
#endif
};
/* Early serial support functions */
static void __init
virtex_early_serial_init(int num, struct plat_serial8250_port *pdata)
{
#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
struct uart_port serial_req;
memset(&serial_req, 0, sizeof(serial_req));
serial_req.mapbase = pdata->mapbase;
serial_req.membase = pdata->membase;
serial_req.irq = pdata->irq;
serial_req.uartclk = pdata->uartclk;
serial_req.regshift = pdata->regshift;
serial_req.iotype = pdata->iotype;
serial_req.flags = pdata->flags;
gen550_init(num, &serial_req);
#endif
}
void __init
virtex_early_serial_map(void)
{
#ifdef CONFIG_SERIAL_8250
struct plat_serial8250_port *pdata;
int i = 0;
pdata = virtex_serial_platform_data;
while(pdata && pdata->flags) {
pdata->membase = ioremap(pdata->mapbase, 0x100);
virtex_early_serial_init(i, pdata);
pdata++;
i++;
}
#endif /* CONFIG_SERIAL_8250 */
}
/*
* default fixup routine; do nothing and return success.
*
* Reimplement this routine in your custom board support file to
* override the default behaviour
*/
int __attribute__ ((weak))
virtex_device_fixup(struct platform_device *dev)
{
return 0;
}
static int __init virtex_init(void)
{
struct platform_device *index = virtex_platform_devices;
unsigned int ret = 0;
int i;
for (i = 0; i < ARRAY_SIZE(virtex_platform_devices); i++, index++) {
if (virtex_device_fixup(index) != 0)
continue;
if (platform_device_register(index)) {
ret = 1;
printk(KERN_ERR "cannot register dev %s:%d\n",
index->name, index->id);
}
}
return ret;
}
subsys_initcall(virtex_init);
|
